Juneteenth（n.）
also June 'teenth, name of the American holiday celebrating the freedom of Blacks from slavery, attested by 1891 in local newspaper notices of celebrations in East Texas. The name is "an African-American slave-dialect rendering of June 19th" [Iva Smith and Aurora Ramirez-Krodel, "A Yearbook of Holidays and Observances"]. A regional holiday in Texas, it was declared a federal holiday in 2021.
该词起源时间：1891年